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Premium Marine Quality Parts

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Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marin... More Details

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marin... More Details

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Allows instant emergency bilge pumping, or to simplify winterization and cooling system flushing. While the engine is running, close the seacock and remove the quick release plug. Includes service ada... More Details

Allows instant emergency bilge pumping, or to simplify winterization and cooling system flushing. While the engine is running, close the seacock and remove the quick release plug. Includes service ada... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Enables Installations GROCO thru-hull fittings by a single installer. Slide the thru-hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to ... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

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Groco Twv Bronze 3-Way Full Flow Valve - Twv-1500 - 34-Twv1500F1

Groco, Hoses, Clamps & Fittings
$378.29
Handle points to the direction of flow and rotates a full 180 degrees. Center position is "off". Mount foot included, full flow. Stainless steel handle & hardware. PTFE seats and seals. NOT TO BE USED... More Details

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Groco Twv Bronze 3-Way Full Flow Valve - Twv-500 - 34-Twv500F1

Groco, Hoses, Clamps & Fittings
$74.37
Handle points to the direction of flow and rotates a full 180 degrees. Center position is "off". Mount foot included, full flow. Stainless steel handle & hardware. PTFE seats and seals. NOT TO BE USED... More Details

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Groco Twv Bronze 3-Way Full Flow Valve - Twv-750 - 34-Twv750F1

Groco, Hoses, Clamps & Fittings
$93.04
Handle points to the direction of flow and rotates a full 180 degrees. Center position is "off". Mount foot included, full flow. Stainless steel handle & hardware. PTFE seats and seals. NOT TO BE USED... More Details

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Hardwall Exhaust/Water Hose, 3-1/2" X 12-1/2' - 16-250-3124 - 88-2503124F1

Shields Hose, Hoses, Clamps & Fittings
$571.29
Use for engine intake and wet exhaust connections where bends or long lengths are required. Also good for bilge pump intake/discharge, scupper lines, toilet intake/discharge, and holding tank vent and... More Details

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Hardwall Exhaust/Water Hose, 3-1/8" X 12-1/2' - 16-250-3184 - 88-2503184F1

Shields Hose, Hoses, Clamps & Fittings
$528.09
Use for engine intake and wet exhaust connections where bends or long lengths are required. Also good for bilge pump intake/discharge, scupper lines, toilet intake/discharge, and holding tank vent and... More Details

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Hardwall Exhaust/Water Hose, 5" X 12-1/2' - 16-250-5004 - 88-2505004F1

Shields Hose, Hoses, Clamps & Fittings
$770.19
Use for engine intake and wet exhaust connections where bends or long lengths are required. Also good for bilge pump intake/discharge, scupper lines, toilet intake/discharge, and holding tank vent and... More Details

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Hardwall Exhaust/Water Hose, 6" X 12-1/2' - 16-250-6004 - 88-2506004F1

Shields Hose, Hoses, Clamps & Fittings
$1,126.79
Use for engine intake and wet exhaust connections where bends or long lengths are required. Also good for bilge pump intake/discharge, scupper lines, toilet intake/discharge, and holding tank vent and... More Details

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Heavy Duty Steel Boat Dolly - Bd2 - 302-Bd2F1

Brownell Boat Stands, Hoses, Clamps & Fittings
$1,406.30
Low profile: 2.5" ground clearance Adjustable height 15" - 21"6" x 2" phenolic wheels with brakes and castersSold IndividuallySold individually, one pair accommodates boats to 8,000 lbs... More Details

Heavy Duty Clamp-On Oarlocks are easy to install. The bolted clamp is adjustable to fit most standard oars. Straight 2" long shank. Recommended for freshwater use. Constructed of heavy gauge zinc plat... More Details

Hellamarine 3" round LED UV resistant courtesy lamps can be installed almost anywhere onboard. Advanced lens technology provides a cool, even spread of soft light while consuming less than .5W, a frac... More Details

Hellamarine 3" round LED UV resistant courtesy lamps can be installed almost anywhere onboard. Advanced lens technology provides a cool, even spread of soft light while consuming less than .5W, a frac... More Details

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Hex Bushing 1-1/2X1 - Rb112100 - 38-28679Wf1

Brass Fittings, Hoses, Clamps & Fittings
$19.69
White nylon.... More Details

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Hex Bushing 1-1/2X1-1/4 - Rb112114 - 38-28680Wf1

Brass Fittings, Hoses, Clamps & Fittings
$16.59
White nylon.... More Details

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Hex Bushing 1-1/4X1 - Rb114100 - 38-28675Wf1

Brass Fittings, Hoses, Clamps & Fittings
$14.59
White nylon.... More Details

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Hex Bushing 1/2X3/8 - Rb1238 - 38-28664Wf1

Brass Fittings, Hoses, Clamps & Fittings
$8.79
White nylon.... More Details

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Hex Bushing 1X1/2 - Rb10012 - 38-28671Wf1

Brass Fittings, Hoses, Clamps & Fittings
$10.29
White nylon.... More Details

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Hex Bushing 1X3/4 - Rb10034 - 38-28672Wf1

Brass Fittings, Hoses, Clamps & Fittings
$13.39
White nylon.... More Details

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Hex Bushing 2X1-1/4 Brass - 44530 - 38-44530F1

Brass Fittings, Hoses, Clamps & Fittings
$121.29
Bronze hex head. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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Hex Bushing 3/4X1/2 - Rb3412 - 38-28668Wf1

Brass Fittings, Hoses, Clamps & Fittings
$7.39
White nylon.... More Details

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Hex Bushing 3/8X1/4 - Rb3814 - 38-28661Wf1

Brass Fittings, Hoses, Clamps & Fittings
$8.89
White nylon.... More Details

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Hitch & Coupler Lock Set - Keyed Alike - Rhc34 - 124-Rhc34F1

C.T. Johnson Enterprises, Hoses, Clamps & Fittings
$68.69

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Hitch & Coupler Lock Set - Keyed Alike - Rhc35 - 124-Rhc35F1

C.T. Johnson Enterprises, Hoses, Clamps & Fittings
$69.89

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Hitch & Coupler Lock Set Keyed Alike - Rhc32 - 124-Rhc32F1

C.T. Johnson Enterprises, Hoses, Clamps & Fittings
$70.30
One hitch lock and one trailer lock keyed alikeTough deadbolt lock is easy to use and weatherproofBright chrome finish resists corrosionSoft-to-the-touch end cap provides comfortable grip... More Details

Multi-Tow® provides multiple towing options from one connector. Plug-In Simple!® adapter. Quickly convert your 7 blade vehicle side connector to a 4 flat or 5 flat trailer end connector. This patented... More Details

Multi-Tow® provides 7 RV Blade and 4 Wire Flat towing options from one connector Plug-In Simple®: No cutting, No splicing- Saves timeUtilizes OEM connectors- enhanced fit and weatherproofingApplies to... More Details

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Hose - 805987 - 710-32-805987F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$37.19

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Hose - 8062403 - 710-32-8062403F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$175.49

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Hose - 8062611 - 710-32-8062611F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$190.49

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Hose - 807408 - 710-32-807408F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$171.74

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Hose - 865394 - 710-32-865394F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$150.74

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Hose - 8M2012446 - 710-32-8M2012446F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$38.54

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Hose & Tubing Cutter - Clipper - 606-Clipperf1

Trident Hose, Hoses, Clamps & Fittings
$120.29
Durable and safe to cut hose and tubing. Cut 1/4" to 1-1/2" in one easy step and larger sizes as cutting tool. Replacement blades are available.... More Details

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Hose 53 Inch Qs Ss<32-52519 14 - 8M0062341 - 710-32-8M0062341F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$82.49

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Hose 57 Inch Ss<32-8M0047428 - 8M0108355 - 710-32-8M0108355F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$76.48

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Hose 58 Inch - 8M0063567 - 710-32-8M0063567F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$56.99

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Hose 72 Inch - 9884339 - 710-32-9884339F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$146.99

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Hose And Adapters - 86971 - 50-86971F1

Seachoice, Hoses, Clamps & Fittings
$9.79

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Hose And Adapters - 86976 - 50-86976F1

Seachoice, Hoses, Clamps & Fittings
$9.79

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Hose And Adapters - 86977 - 50-86977F1

Seachoice, Hoses, Clamps & Fittings
$12.49

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Hose Assy Ss<32-863453 - 863456A1 - 710-32-863456A 1F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$169.49

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Hose Asy 114 Inch - 99439 - 710-32-99439F1

Mercury/Quicksilver, Hoses, Clamps & Fittings
$130.39

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Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.